Clerodendrum thomsoniae is a species of flowering plant in the genus Clerodendrum of the family Lamiaceae, native to tropical west Africa from Cameroon west to Senegal. It is an evergreen liana growing to 4 m (13 ft) tall, with ovate to oblong leaves 8–17 cm (3–7 in) cm long. The flowers are produced in cymes of 8-20 together, each flower with a pure white to pale purple five-lobed calyx 2.5 cm in diameter, and a red five-lobed corolla 2 cm long and in diameter.